Cop and means for and method of producing same



Dec. 12, 1933. P. T. GATELY El AL 1,938,586

COP AND MEANS FOR AND METHOD OF PRODUCING SAME Filed Aug. 16. 1928 3Sheets-Sheet 1 I v NTOR BY W Dec. 12, 1933. p T. T Y m- AL 1,938,586

COP AND MEANS FOR AND METHOD OF PRODUCING SAME Filed Aug. 16, 1928 3Sheets-Sheet 2 IN ENTOR BY 9. q

BYW I I fflM ATTORNEYS f lNVE Q Patented Dec. 12, 1933 UNITED STATES COPAND MEANS FOR AND METHOD OF PRODUCING SAME Peter Thomas GateLy andGeorge Alfred Bowen, Willimantic, Conn., assignors to The AmericanThread Company, New York, N. Y., a corporation of New Jersey ApplicationAugust 16,

12 Claims.

Our improvement relates to a new and improved cop and means for andmethod of producing the same, and has for its object to provide a newand improved cop with the other end of the thread fastened in a new andimproved manner.

Heretofore cops have been made with a universal wind having a singledepressed V-shaped surface pointing in the same direction as that inwhich the thread is wound thereon and the end of the thread has beensecured by tucking it under one or more strands at the border of the V.The tucking is a manual operation, re quiring considerable dexterity andadding considerably to the cost of the cop. We'have discovered a way ofwinding and fastening the cop so that the end can be fastened withoutthe manual act, thus avoiding the expense of the manual operation andproducing cops in which the fastenings are more uniform andsatisfactory. The method can be carried out and the fastened copsproduced while upon the machine which winds the cop.

The following is a description of a cop embodying our invention and themeans and method by which it is producedreference being had to theaccompanying drawings, in which:

Figure 1 shows, partly in section and partly in side elevation, amechanism embodying our new and improved cop producing means andcarrying out our new and improved method;

Fig. 2 shows an end elevation of portions of the same with the endportion of the thread about to be secured, the same comprising a hookand a deflector;

Fig.3 is a front elevation of a plurality of such hooks and deflectors,and a plurality of cops in the positions shown in Fig. 2;

Fig. 4 is a detail view showing a single hook and deflector with thethread about to be deflected;

Fig. 5 shows a cop with the hook and deflector after the end portion ofthe thread has been drawn beneath a plurality of windings so as to beheld thereby;

Fig. 6 is similar to Fig. 4 with the deflector omitted;

Fig. 7 shows the hook being disengaged from the fastened end portion ofthe loop. This figure shows the completed cop with its end fastenedaccording to our invention; and

Fig. 8 is a plan view of the cop with the hook shownin section inconjunction with the deflector showing the relations of the parts as thehook 1928. Serial No. 299,888

is about to pass beneath the end-restraining strands.

Referring more particularly to the drawings, 2 is a frame in which ismounted a winding spindle 4 driven by a gear 6 which meshes with a gear8 driving the shaft 10on which is mounted a cam 12 which oscillates theholder 14 of a traverse guide 16, the cam 12 being such that thetraverse guide 16 makes one complete oscillation so as to return to itsinitial position at one end of its throw for each rotation of the shaft10. 1818 are four cops of thread'having a tendency to turn its free endto theleft i. e. counterclockwise, wound upon the spindle 4. The gears 6and 8 are so related as to make a V-wind of the type known as Universalexcept that the I depressed V-shaped portion of the wind points in theopposite direction to the direction in which the thread is wound insteadof in the same direction as is customary. 20-20 are four hooks, one foreach bobbin, mounted on a slide22 which moves within a guide 24, theguide being preferably inclined so as to move the slide in a directionsubstantially parallel to one of the edges 26 of the depressed V andtowards the other side. The barb of each hook is on the side of the hookadjacent to the side of the recess toward which the hook moves downward,but somewhat rearwardly disposed as shown in Fig. 7. When the cop is ofthe proper size, the winding mechanism is stopped. The path of the hook,due to the guides 24, is suchthat when the slide 22 is depressed thepoint ofthe hookpasses between a. plurality of successively engagingstrands 28 beginning with the strand bordering-the depressed V on theside toward which the hook points, until it reaches the position shownin Fig. 4. 30 is a thread deflector which then engages the the rightuntil it is moved beyond the hook, as shown in Fig. 3, the hook thenpassing downward so that it is engaged by the thread and its barb liesbelow thethread.

When the hook is withdrawn the barb engages the thread and pulls the endportion in the form .thread near the wound mass and deflects it to i ofa loop upward beneath the strands 28, as

In order to operate the slide 22 mechanically a cam drum 32 is providedwhich at the proper time is actuated by a worm gear 34. This cam drumcarries two risers 36 and 38, the latter being of less height than theformer. These risers act upon a frictionroller 40 carried by a slide 42acted upon by the compression spring 44. This slide 42 is connected byan adjustable link 46 with a bell-crank lever 48 pivoted at 50 andconnected by a link 52 to the slide 22. The drum 32 rotates in thedirection shown by the arrow with the result that the slide 22 is giventwo movements of reciprocation, one succeeding the other, the firstmovement being of greater amplitude, than the second.

In winding a cop according to our invention the traverse guide 16 asusual contacts with the cop as it is being wound, and the windingspindle is operated so as to turn toward the guide, the movements of thespindle and guide being so timed that the V-shaped depression of thewind points in the opposite direction from the direction in which thethread is being wound. After the cops have reached such a size that thedivision between the winding bordering the V and the next precedinglayer is in line with the path of the hook the winding spindle isstopped in any suitable manner and the traverse guide is retracted tothe position shown in Fig. 2. During the winding period the slide 22remains at rest. After thewinding operation has been stopped, and thetraverse guide retracted the cam drum 32 is rotated by means of the wormgear 34 from the position shown in Fig. l, causing the hooks to movedownward to the position shown in Fig. 2. As the hooks move downwardthey pass between windings adjacent to the depressed V and the windingsof the next preceding layer coming out from beneath a plurality ofwindings, as shown in Fig. 2, on account of the curved periphery of thecop. After the hook has begun its movement and before it has reached itslowermost position (Fig. 5), the deflector 30 engages the thread betweenthe cop and the retracted traverse guide and deflects it so that as thehook is further depressed it engages the barbed side of the hook abovethe barb, as shown in Figs. 2 and 3. The face of the riser 36 thenpermits the slide 42 to move to the left, resulting in the liftingof thehooks to the position shown in Fig. 5. The riser 38 then moves the slide22' so as to carry the hook downward a shorter distance to the positionshown in Fig. 7.

The thread of the cop has a slight tendency to twist its free endcounter-clockwise so that, if severed, its forward end would tend toturn toward the right. On account of this tendency to turn, the loopwhich is formed by the hook tends to turn to the right, as shown in Fig.'7 and turns in that direction, when released by the hook, so that whenthe hook is depressed by the riser 38 so as to descend below the bightof the loop, the loop flips around toward the right and ofl of the barbto a position where it lies out of the path of the barb upon the returnmovement of the hook. The hook can, therefore, be returned to theposition shown in Fig. 1 Without re-engaging the looped end portion ofthe thread.

7 In carrying out our invention in its preferred form, the recess V ofthe bobbin must point in the opposite direction from the direction inwhich the thread is wound, and the thread must have a slight tendency totwist so that its outer end tends to turn toward the end of the copadjacent to and remote from the end overlying strands.

The thread is severed after it has been engaged by the hook andpreferably after it has been drawn beneath a plurality of windings, asshown in Figs. 4 and 5. This severing may be performed by hand or by anysuitable means.

The winding can be stopped in any suitable way when the bobbin hasreached the proper size for the ending operation.

The cop produced is a Universal wind cop having the V shaped recesspointing in the opposite direction from that in which the thread isWound thereon. The outer end portion of the thread has a loop passingunder a plurality of strands bordering one side of the V shapeddepression, and the thread has a twist tending to turn the free end ofthe thread adjacent to the peripheryof the cop toward the end of the copremote from said plurality of strands so that the loop flips in theopposite direction, 1. e. toward the end of the cop adjacent to saidplurality of strands. The direction in which the thread tends to twistdetermines the direction in which the loop will flip and thus determineson which sideof the V-snaped recess the end securing strands should lie.

As will be evident to those skilled in the art, our invention permitsvarious modifications without departing from the spirit thereof or thescope of the appended claims.

What we claim is:

1. In an end fastening means, a hook having a lateral barb, a threaddeflector below said hook and slanting upward to guide a thread beyondthe point of said hook, and means for mov- H ing said hook and deflectorlengthwise of the '110 axis or" said hook.

2. In an end fastening means, a hook having a lateral barb, a threaddeflector below said hook and slanting upward to guide a thread beyondthe point of said hook, means for moving said hook and deflector, aspindle for winding a cop, and guiding means inclined so as to causesaid hook to move at an angle to the axis of said spindle. I M

3. In an end fastening means, a hook having a lateral barb, a threaddeflector below said hook and slanting upward to guide a thread beyondthe point of said hook, means for guiding said hook and deflector, and aspindle for winding a cop, said guiding means being inclined so as t0125move said hook at an angle to the axis of said spindle, and means foradjusting the point of said hock toward and from the axis of saidspindle. W

4. In an end fastening means, a hook having'lgo a lateral barb, a threaddeflector below said hook and slanting upward to guide a thread beyondthe point of said hook, means for guiding said hook and threaddeflector, a spindle for winding a cop, said guiding means beinginclined so as to cause said hook to move at an angle to the axis ofsaid spindle, and means for imparting to said hook two movements ofreciprocation in said guiding means, the second forward movement beingof less amplitude than the first forward movement.

5. The method of forming a cop having a fastened outer end consisting inuniversally winding upon a spindle a cop having a V-shaped depression,passing a hook beneath a plurality of strands beginning with a strandbordering said depression and engaging the thread end portion adjacentto the cop and drawing said end portion under said strand to saidVshaped depression, and disengaging said end portion.

ioo

its

6. The method of forming a cop having a fastened outer end consisting inuniversally winding upon a spindle a cop having a V-shaped depression,passing a hook beneath a plurality of strands beginning with a strandbordering said depression and engaging the thread end portion adjacentto the cop, drawing said end portion under said strands in the form of aloop and disengaging said hook from said loop.

7. The method of forming a cop having a fastened outer end consisting inuniversally winding a thread upon a spindle so as to form a cop having adepressed V, passing a hook over the space within said V and underneatha plurality of windings of the outer layer of said cop beginning withthe winding bordering said V, deflecting the end portion of said threadto the barb carrying side of said hook, engaging said end portion of thethread by said hook at a point adjacent to said cop and drawing said endportion beneath said plurality of windings.

8. The method of forming a cop having a fastened outer end consisting inuniversally winding upon a spindle a thread having a tendency to turn soas to form a cop having a depressed V, passing a hook over the spacewithin said V and underneath a plurality of windings of the outer layerof said cop beginning with the winding bordering the side of said Vtoward which the thread being wound tends to turn, deflecting the endportion of said thread to the barb carrying side of said hook, engagingsaid end portion of the thread by said hook at a point adjacent to saidcop and drawing said end portion beneath said plurality of windings inthe form of a loop tending to flip off said hook and moving said hooktoward said windings so as to permit said loop to flip itself free fromsaid hook.

9. The method of forming a cop having a fastened outer end consisting inuniversally winding upon a spindle a thread tending to turn so as toform a cop having a depressed V pointing opposite to the direction inwhich the thread is wound, passing a hook over the space within said Vand underneath a plurality of windings of the outer layer of said copbeginning with the winding bordering the side of said V toward whichsaid thread tends to turn, the barb of said hook being laterallydisposed on the side adjacent to said side of said V, the thread havinga twist in a direction away from said side, engaging the end portion ofthe thread adjacent to said cop and drawing said end portion in the formof a loop beneath said plurality of windings and disengaging said hookfrom said loop.

10. In a machine for winding thread in a Universal wound cop having amandrel upon which the thread is wound, a thread guiding deviceassociated with the mandrel, and means for rotating the mandrel to causethe thread to be wound thereon and for stopping the mandrel in apredetermined angular position at completion of the winding operation,the combination of a hook needle, means for advancing the needle beneatha plurality of strands beginning with a strand bordering a V-shapeddepression in the cop with the end of the needle projecting beyond saidstrands, then retracting the needle from beneath said strands and thenadvancing the needle a distance towards said strands, and means forpositioning a portion of the stretch of the thread extending between thecop and said thread guiding device into the path of the hook of theneedle whereby during said retracting movement of the needle a loop ofthe thread is carried beneath said strands.

11. In a machine for winding thread in a Universal wound cop having amandrel upon which the thread is wound, a thread guiding deviceassociated with the mandrel, and means for rotating the mandrel to causethe thread to be wound thereon and for stopping the mandrel in apredetermined angular position at completion of the winding operation,the combination of a hook needle, means for advancing the needle beneatha plurality of strands beginning with a strand bordering a V-shapeddepression in the cop with the end of the needle projecting beyond saidstrands, then retracting the needle from beneath said strands and thenadvancing the needle 2. distance towards said strands, and means forpositioning a portion of the stretch of the thread extending between thecop and said thread guiding device into the path of the hook of theneedle whereby during said retracting movement of the needle a loop ofthe thread is carried beneath said strands, and means for severing thethread between said loop and said thread guiding device.

12. A thread winding machine having, in combination, a rotating mandrel,a plurality of thread guiding devices associated with the mandrelwhereby during the rotation of the mandrel the threads are universallywound simultaneously on the mandrel in separate cops with the copsarranged in end to end relation, means acting automatically to sever theseveral threads at the completion of the winding operation, and meansacting automatically at the completion of the winding operation forfastening the outer ends of the

